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Topic: intro to engineering chem  (Read 3947 times)

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Offline ahawk1

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intro to engineering chem
« on: February 02, 2009, 03:12:28 PM »
Sulfur, S8, combines with oxygen at elevated temperatures to form sulfur dioxide. If 312 oxygen molecules are used up in this reaction, how many sulfur molecules reacted?

How do i know what the formula is?

Offline typhoon2028

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Re: intro to engineering chem
« Reply #1 on: February 02, 2009, 03:17:45 PM »
Do you know the formula for carbon dioxide?

Offline ahawk1

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Re: intro to engineering chem
« Reply #2 on: February 02, 2009, 03:20:26 PM »
CO2
so would it be SO2 and if there is 312 oxygen 156 Sulfur?

Offline ahawk1

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Re: intro to engineering chem
« Reply #3 on: February 02, 2009, 03:33:38 PM »

ok so i wrote out the formula and balanced it
S8+8O2-->8SO2
i got 39 for the previous answer and it was right!

thanks for the help =]



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